CN217874196U

CN217874196U - Valve convenient to change case

Info

Publication number: CN217874196U
Application number: CN202221375488.2U
Authority: CN
Inventors: 黄志冲
Original assignee: Shanghai Wanfeng Heavy Industry Co ltd
Current assignee: Shanghai Wanfeng Heavy Industry Co ltd
Priority date: 2022-06-04
Filing date: 2022-06-04
Publication date: 2022-11-22
Anticipated expiration: 2032-06-04

Abstract

The utility model discloses a valve convenient to change case, which comprises a valve body, the inside baffle that is equipped with of valve body, the baffle middle part is equipped with the through-flow hole, the position that the baffle was aligned at the valve body top is equipped with the installation pipe, installation pipe top is equipped with the closing cap, threaded connection has the case in the middle part of the closing cap, the position that the through-flow hole was aligned to the case bottom is equipped with first stopper, the position that the baffle was aligned to the valve body bottom is equipped with the guide table, the piston rod is installed to the guide table inboard, the position that the through-flow hole was aligned to the piston rod is equipped with the second stopper, the utility model provides a change of case though can carry out the change of case, but can not carry out the shutoff to the fluid when having the fluid to pass through in the pipeline, lead to changing comparatively troublesome problem to the case, through improving and optimizing the structure to the valve for the case installation of valve is dismantled fairly simplely, and the case is convenient for the later stage is changed according to dismantling.

Description

Valve convenient to change case

Technical Field

The utility model relates to the technical field of valves, specifically be a valve convenient to change case.

Background

Valves are mechanical devices that control the flow rate, flow direction, pressure, temperature, etc. of a flowing fluid medium, valves are basic components in piping systems, and there are various conventional valves, and many of the conventional valves have replaceable valve elements.

Chinese patent No. CN211175556U discloses a valve with an antirust type valve core which can be conveniently replaced and maintained, and the valve comprises a valve body, a valve core arranged in the valve body and a valve handle arranged on the valve core, wherein the valve body consists of two valve shells which are opposite to each other, sealing gaskets are arranged on the side surfaces, close to each other, of the two valve shells, top fixing plates are arranged at the top positions of the two valve shells, and bottom fixing plates are arranged at the bottom positions of the two valve shells; the surface of the valve shell is provided with an anti-rust layer; the top end of the valve core is integrally formed with a sealing convex column, a rectangular groove with the top communicated with the outside is arranged in the sealing convex column, the bottom end of the valve handle is integrally formed with a rectangular rod, and the rectangular rod and the rectangular groove are in inserting fit. The utility model discloses be convenient for change the case, facilitate the use, offer convenience for the user.

The valve described in the above patent suffers from the following problems: although the valve core can be replaced in the prior patent, the valve core can not be blocked when fluid passes through the pipeline, so that the valve core is replaced more difficultly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve convenient to change case aims at the problem of improvement.

The utility model discloses a realize like this:

the utility model provides a valve convenient to change case, includes the valve body, the inside baffle that is equipped with of valve body, the baffle middle part is equipped with the through-flow hole, and the position that the baffle was aligned at the valve body top is equipped with the installation pipe, installation pipe top is equipped with the closing cap, closing cap middle part threaded connection has the case, the position that the through-flow hole was aligned to the case bottom is equipped with first shutoff stopper, the position that the baffle was aligned to the valve body bottom is equipped with the guide table, the piston rod is installed to the guide table inboard, the position that the piston rod aligns the through-flow hole is equipped with the second shutoff stopper.

Through adopting above-mentioned technical scheme, the valve body is convenient for carry out the bearing to the part of whole valve, make things convenient for the equipment and the use of valve, the baffle is convenient for separate the fluid from the valve body middle part, the baffle also is convenient for cooperate case and piston rod to damming simultaneously, the through-flow hole is convenient for the fluid to pass through the baffle, the installation pipe is convenient for install the closing cap, make things convenient for the fixed and use of closing cap, the case is convenient for carry out the shutoff to the through-flow hole or open, opening or closing door of convenient control whole valve, first shutoff and second shutoff all are carried out the shutoff to the through-flow hole, the guide table is convenient for install the piston rod, the piston rod of also being convenient for stretches out and draws back along the guide table, make things convenient for the use of piston rod.

Optionally, the two ends of the valve body are provided with adapter caps, the bottom end of the guide table is provided with a sleeve, and the arc surface of the sleeve is provided with a jackscrew.

Through adopting above-mentioned technical scheme, the switching cap is convenient for valve body and pipe connection together, makes things convenient for valve body cooperation pipeline to use, and the sleeve pipe is convenient for overlap on the piston rod, and sleeve pipe cooperation jackscrew can be fixed the position of piston rod simultaneously, and the stable use of the piston rod of being convenient for.

Optionally, a stud is arranged at the bottom end of the sealing cover, and a first sealing ring is arranged on the bottom surface of the sealing cover along the periphery of the stud.

Through adopting above-mentioned technical scheme, the double-screw bolt be convenient for the closing cap with install the union coupling together, first sealing washer is convenient for with the sealed processing between closing cap and the installation pipe, make things convenient for the installation and the use of closing cap.

Optionally, a threaded hole is formed in the middle of the sealing cover, and a hexagonal screwing head is arranged in the middle of the upper surface of the sealing cover.

Through adopting above-mentioned technical scheme, the screw hole is convenient for cooperate the case, makes things convenient for case and closing cap threaded connection together, and the head is twisted to the hexagonal is convenient for twist and is moved the case, makes things convenient for the installation and the fixed of case, the installation and the use of the case of being convenient for.

Optionally, the case top is equipped with twist grip, and first shutoff top is equipped with the limiting plate, and the limiting plate bottom surface is equipped with the second sealing washer along first shutoff around.

Through adopting above-mentioned technical scheme, twist grip is convenient for rotate the case, makes things convenient for the case to adjust from top to bottom and uses, and the cooperation of limiting plate and second sealing washer can be so that the stable shutoff of will flowing through the hole of first shutoff together.

Optionally, a pressure plate is arranged at the bottom end of the piston rod, and a circle of rubber is arranged on the surface of the piston rod.

Through adopting above-mentioned technical scheme, the clamp plate is convenient for drive second shutoff stopper, makes things convenient for the second shutoff stopper to block up in through-flow hole department, and the surface of piston rod is equipped with round rubber and makes things convenient for and can have good sealed effect between piston rod and the sleeve pipe, avoids appearing the phenomenon that leaks gas between piston rod and the sleeve pipe.

Compared with the prior art, the beneficial effects of the utility model are that: through improving and optimizing the structure of valve for the case installation of valve is dismantled fairly simplely, and the case is convenient to be changed according to dismantling, and the later stage of being convenient for is to the maintenance of valve, and the valve of this kind of structure can carry out the shutoff to the fluid when changing the case simultaneously, avoids the problem that the fluid influences the case and changes, very big has made things convenient for the staff to change the case.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the valve structure of the present invention;

fig. 2 is a schematic structural view of the valve body of the present invention at a first viewing angle;

fig. 3 is a schematic structural view of the valve body of the present invention at a second viewing angle;

fig. 4 is a schematic structural view of the cover of the present invention at a first viewing angle;

fig. 5 is a schematic structural view of the cover of the present invention at a second viewing angle;

FIG. 6 is a schematic view of the valve core structure of the present invention;

fig. 7 is a schematic view of the piston rod structure of the present invention;

in the figure: 1-a valve body; 11-a transfer cap; 12-installing a tube; 13-a guide table; 14-a sleeve; 15-top thread; 16-a separator; 17-a through-flow aperture; 2-sealing the cover; 21-a stud; 22-a threaded hole; 23-a first sealing ring; 24-hexagonal screw head; 3-a valve core; 31-a rotating handle; 32-a first bung; 33-a limiting plate; 34-a second seal ring; 4-a piston rod; 41-a second bung; 42-pressing plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example (b): referring to fig. 1, 2, 3, 6 and 7: a valve convenient for replacing a valve core comprises a valve body 1, a partition plate 16 is arranged inside the valve body 1, a through hole 17 is formed in the middle of the partition plate 16, an installation pipe 12 is arranged at the position, aligned with the partition plate 16, of the top of the valve body 1, a seal cover 2 is arranged at the top end of the installation pipe 12, a valve core 3 is connected to the middle of the seal cover 2 in a threaded mode, a first seal plug 32 is arranged at the position, aligned with the through hole 17, of the bottom end of the valve core 3, a guide table 13 is arranged at the position, aligned with the partition plate 16, of the bottom of the valve body 1, a piston rod 4 is arranged on the inner side of the guide table 13, and a second seal plug 41 is arranged at the position, aligned with the through hole 17, of the piston rod 4; valve body 1 is convenient for bear the part of whole valve, make things convenient for the equipment and the use of valve, baffle 16 is convenient for separate the fluid from valve body 1 middle part, baffle 16 also is convenient for cooperate case 3 and piston rod 4 to damming simultaneously, the through-flow hole 17 is convenient for the fluid to pass through baffle 16, installation pipe 12 is convenient for install closing cap 2, make things convenient for the fixed of closing cap 2 and use, case 3 is convenient for carry out the shutoff to through-flow hole 17 or open, opening or closing door of the whole valve of convenient control, first closing plug 32 and second closing plug 41 all carry out the shutoff to through-flow hole 17, guide table 13 is convenient for install piston rod 4, also be convenient for piston rod 4 to stretch out and draw back along guide table 13, make things convenient for the use of piston rod 4.

Referring to fig. 2 and 3: the two ends of the valve body 1 are respectively provided with a transfer cap 11, the bottom end of the guide table 13 is provided with a sleeve 14, and the arc surface of the sleeve 14 is provided with a jackscrew 15; the adapter cap 11 facilitates connection of the valve body 1 and a pipeline, the valve body 1 is convenient to be matched with the pipeline for use, the sleeve 14 is convenient to be sleeved on the piston rod 4, and meanwhile, the sleeve 14 is matched with the jackscrew 15 to fix the position of the piston rod 4, so that the piston rod 4 is convenient to stably use.

Referring to fig. 4 and 5: the bottom end of the sealing cover 2 is provided with a stud 21, and the bottom surface of the sealing cover 2 is provided with a first sealing ring 23 along the periphery of the stud 21; the stud 21 is convenient for connecting the sealing cover 2 and the mounting tube 12 together, and the first sealing ring 23 is convenient for sealing the sealing cover 2 and the mounting tube 12, so that the sealing cover 2 is convenient to mount and use; a threaded hole 22 is formed in the middle of the sealing cover 2, and a hexagonal screwing head 24 is arranged in the middle of the upper surface of the sealing cover 2; the threaded hole 22 is convenient for matching the valve core 3, so that the valve core 3 is conveniently connected with the sealing cover 2 in a threaded manner, the hexagonal screwing head 24 is convenient for screwing the valve core 3, the valve core 3 is conveniently installed and fixed, and the valve core 3 is conveniently installed and used.

Referring to FIG. 6: the top end of the valve core 3 is provided with a rotating handle 31, the top end of the first sealing plug 32 is provided with a limiting plate 33, and the bottom surface of the limiting plate 33 is provided with a second sealing ring 34 along the periphery of the first sealing plug 32; the rotating handle 31 is convenient for rotating the valve core 3, so that the valve core 3 can be conveniently adjusted up and down and used, and the cooperation of the limiting plate 33 and the second sealing ring 34 can enable the first plug 32 to stably plug the through-flow hole 17 together.

Referring to FIG. 7: the bottom end of the piston rod 4 is provided with a pressure plate 42, and the surface of the piston rod 4 is provided with a circle of rubber; the pressing plate 42 is convenient for driving the second sealing plug 41, the second sealing plug 41 is convenient to block at the through hole 17, a circle of rubber is arranged on the surface of the piston rod 4, so that a good sealing effect can be achieved between the piston rod 4 and the sleeve 14, and the phenomenon of air leakage between the piston rod 4 and the sleeve 14 is avoided.

The using method comprises the following steps: when the valve core 3 needs to be replaced, the valve core 3 is screwed, the valve core 3 is separated from the through flow hole 17, then the piston rod 4 is pushed, the second sealing plug 41 is blocked at the through flow hole 17, then the jackscrew 15 is screwed, the second sealing plug 41 is stably blocked at the through flow hole 17, then the sealing cover 2 is screwed, the sealing cover 2 and the mounting pipe 12 are separated, then the sealing cover 2 and the valve core 3 are simultaneously detached and replaced by a new sealing cover 2 and a new valve core 3, then the jackscrew 15 is unscrewed and the piston rod 4 is pulled down, and the through flow hole 17 plays a role in through flow, so that the valve can be normally used.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a valve convenient to change case which characterized in that: including valve body (1), inside baffle (16) that is equipped with of valve body (1), baffle (16) middle part is equipped with through-flow hole (17), the position that valve body (1) top aligns baffle (16) is equipped with installation pipe (12), installation pipe (12) top is equipped with closing cap (2), threaded connection has case (3) in the middle part of closing cap (2), the position that case (3) bottom aligns through-flow hole (17) is equipped with first stopper (32), the position that valve body (1) bottom aligns baffle (16) is equipped with direction platform (13), piston rod (4) are installed to direction platform (13) inboard, the position that piston rod (4) align through-flow hole (17) is equipped with second stopper (41).

2. The valve convenient for replacing the valve core is characterized in that the two ends of the valve body (1) are provided with the adapter caps (11), the bottom end of the guide table (13) is provided with the sleeve (14), and the arc surface of the sleeve (14) is provided with the jackscrew (15).

3. The valve for facilitating replacement of the valve core according to claim 2, wherein the bottom end of the sealing cover (2) is provided with a stud (21), and the bottom surface of the sealing cover (2) is provided with a first sealing ring (23) along the periphery of the stud (21).

4. The valve convenient for replacing the valve core according to claim 3 is characterized in that a threaded hole (22) is formed in the middle of the sealing cover (2), and a hexagonal screwing head (24) is formed in the middle of the upper surface of the sealing cover (2).

5. The valve with the valve core convenient to replace is characterized in that a rotating handle (31) is arranged at the top end of the valve core (3), a limiting plate (33) is arranged at the top end of the first sealing plug (32), and a second sealing ring (34) is arranged on the bottom surface of the limiting plate (33) along the periphery of the first sealing plug (32).

6. The valve with the valve core being replaced conveniently as claimed in claim 5, wherein the bottom end of the piston rod (4) is provided with a pressing plate (42), and the surface of the piston rod (4) is provided with a ring of rubber.